Designed or treated to resist catching fire or to limit fire spread in case of a fire emergency.
Compound word from 'fire' and 'safe' (Old English 'sæf'), emerged in the early 20th century as fire safety became an industrial and building concern.
Firesafe cigarettes, which were mandated by law starting in 2004, actually have tiny bands of chemicals that make the paper self-extinguish—a technology designed to prevent fires from smoldering unattended!
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